Inventor · disambiguated record
Hiraku Okumura
Also filed as: OKUMURA HIRAKU
13 granted patents·5 pending applications·85 citations·filing 2003–2025
89Inventor score
Top patents by PatentIndex Score
18 records- 0194US7925006B2Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatusYAMAHA CORP·Filed 2007·Granted Apr 12, 2011·43 cites·8 claims
- 0277US7925008B2Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatusYAMAHA CORP·Filed 2007·Granted Apr 12, 2011·5 cites·8 claims
- 0376US7697696B2Audio amplification apparatus with howling cancelerYAMAHA CORP·Filed 2006·Granted Apr 13, 2010·8 cites·9 claims
- 0475US7403609B2Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatusYAMAHA CORP·Filed 2003·Granted Jul 22, 2008·15 cites·21 claims
- 0574US2025280254A1Live data distribution method, live data distribution system, and live data distribution apparatusYAMAHA CORP·Filed 2025·Application pending·0 cites
- 0669US7899195B2Adaptive howling cancellerYAMAHA CORP·Filed 2005·Granted Mar 1, 2011·5 cites·7 claims
- 0768US2025182736A1Live data distribution method, live data distribution system, and live data distribution apparatusYAMAHA CORP·Filed 2025·Application pending·0 cites
- 0865US7574005B2Howling frequency component emphasis method and apparatusYAMAHA CORP·Filed 2005·Granted Aug 11, 2009·3 cites·48 claims
- 0963US12288546B2Live data distribution method, live data distribution system, and live data distribution apparatusYAMAHA CORP·Filed 2022·Granted Apr 29, 2025·0 cites·20 claims
- 1062US8259961B2Audio processing apparatus and programOKUMURA HIRAKU·Filed 2008·Granted Sep 4, 2012·3 cites·4 claims
- 1160US12342151B2Live data distribution method, live data distribution system, and live data distribution apparatusYAMAHA CORP·Filed 2022·Granted Jun 24, 2025·0 cites·17 claims
- 1259US8767951B2Talk deciding systemSEKINE SATOSHI·Filed 2007·Granted Jul 1, 2014·2 cites·3 claims
- 1356US12363496B2Audio signal processing method and audio signal processing apparatusYAMAHA CORP·Filed 2023·Granted Jul 15, 2025·0 cites·20 claims
- 1454US8218788B2Anti-feedback device and anti-feedback methodOKUMURA HIRAKU·Filed 2009·Granted Jul 10, 2012·1 cites·6 claims
- 1550US8311237B2Howling suppression apparatus and computer readable recording mediumTANAKA HIROBUMI·Filed 2009·Granted Nov 13, 2012·0 cites·6 claims
- 1646US2006153400A1Microphone and sound amplification systemYAMAHA CORP·Filed 2006·Application pending·0 cites
- 1745US2006210091A1Howling canceler apparatus and sound amplification systemYAMAHA CORP·Filed 2006·Application pending·0 cites
- 1838US2005220292A1Method of discriminating between double-talk state and single-talk stateYAMAHA CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →